JPS60109993U - 円グラフ定規 - Google Patents

円グラフ定規

Info

Publication number
JPS60109993U
JPS60109993U JP20130983U JP20130983U JPS60109993U JP S60109993 U JPS60109993 U JP S60109993U JP 20130983 U JP20130983 U JP 20130983U JP 20130983 U JP20130983 U JP 20130983U JP S60109993 U JPS60109993 U JP S60109993U
Authority
JP
Japan
Prior art keywords
line
straight
side edge
base plate
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP20130983U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0226712Y2 (https=
Inventor
洋 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP20130983U priority Critical patent/JPS60109993U/ja
Publication of JPS60109993U publication Critical patent/JPS60109993U/ja
Application granted granted Critical
Publication of JPH0226712Y2 publication Critical patent/JPH0226712Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP20130983U 1983-12-28 1983-12-28 円グラフ定規 Granted JPS60109993U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20130983U JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20130983U JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Publications (2)

Publication Number Publication Date
JPS60109993U true JPS60109993U (ja) 1985-07-25
JPH0226712Y2 JPH0226712Y2 (https=) 1990-07-19

Family

ID=30762978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20130983U Granted JPS60109993U (ja) 1983-12-28 1983-12-28 円グラフ定規

Country Status (1)

Country Link
JP (1) JPS60109993U (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5009436B1 (ja) * 2011-12-17 2012-08-22 雄一 伊藤 作画用補助器具

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5416543U (https=) * 1977-07-02 1979-02-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5416543U (https=) * 1977-07-02 1979-02-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5009436B1 (ja) * 2011-12-17 2012-08-22 雄一 伊藤 作画用補助器具

Also Published As

Publication number Publication date
JPH0226712Y2 (https=) 1990-07-19

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